What is Article 4.2? Who is in the Umbrella group?

An in-session informal document issued to facilitate negotiations. The COP, CMP, all Subsidiary Bodies and Ad Hoc Working Groups issue non-paper documents, which can be downloaded online (see advanced search for informal documents). A non-paper does not have an official document symbol, but it may have an identifying number or carry the name of its author.

Examples of Non-papers:unfccc.int (Non-paper on elements for a draft negotiating text, ADP 2014)unfccc.int (Non-paper on Parties’ views and proposals on the elements for a draft negotiating text, ADP 2014) unfccc.int (In-session documents issued during the COP meeting in June in Bonn) unfccc.int (Advanced search for informal documents)